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Re: draft-gont-6man-slaac-renum-01

Bob Hinden <bob.hinden@gmail.com> Mon, 25 March 2019 09:36 UTC

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Subject: Re: draft-gont-6man-slaac-renum-01
From: Bob Hinden <bob.hinden@gmail.com>
In-Reply-To: <181de198-c30a-fe83-f9ad-2cd535cb6706@si6networks.com>
Date: Mon, 25 Mar 2019 10:36:15 +0100
Cc: Bob Hinden <bob.hinden@gmail.com>, ek@loon.co, IPv6 List <ipv6@ietf.org>
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To: Fernando Gont <fgont@si6networks.com>
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> On Mar 25, 2019, at 9:55 AM, Fernando Gont <fgont@si6networks.com> wrote:
> 
> Hi, Bob,
> 
> On 24/3/19 22:49, Bob Hinden wrote:
> [...]>>
>>> If a positive packet reflection occurs then that router still
>>> routes the PIO onto the link. If there's no such response within
>>> $TRIES across $SECONDS, then assume that router doesn't forwarding
>>> that PIO onto the link.  (Note that the PIO might still be valid
>>> on-link as specified by a 2nd router…)
>> 
>> If the host has no other global prefix, I don’t see any reason to
>> have the host stop using the prefix.
> 
> Agreed. That's why this "check" would be triggered by the receipt of
> packets from the same router including PIOs for prefixes other than the
> previously advertised one.
> 

There has to be verified two way communication with the router.

Bob

> If the RA contains no PIOs, this check would not be triggered, and the
> possibly-stale prefix would be kept.

> -- 
> Fernando Gont
> SI6 Networks
> e-mail: fgont@si6networks.com
> PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492
> 
> 
> 
>

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